Credit: The Associated Press

President Barack Obama gestures during a statment about the Affordable Care Act, Friday, June 7, 2013, in San Jose, Calif. Speaking about the NSA collecting of phone records, the president said`Nobody is listening to your telephone calls,' just numbers and duration.

WASHINGTON — Eager to quell a domestic furor over U.S. spying, the nation's top intelligence official stressed Saturday that a previously undisclosed program for tapping into Internet usage is authorized by Congress, falls under strict supervision of a secret court and cannot intentionally target a U.S. citizen. He decried the revelation of that and another intelligence-gathering program as reckless.